Gree GMV-2460WM/B-X - Page 60

D.C. Inverter Multi VRF Modular
57
progress
LED1
LED2
LED3
Code
Display
status
code
Display
status
Code
Display
status
15_Cooling
debugging
db
Light
15
Light
AC
Light
Debugging is enabled in cooling mode
(debugging mode, auto-selected by
system).
db
Light
15
Light
Error
code
Light
Error occurs during debugging in
cooling mode.
db
Light
15
Light
J0
Light
Error of other modules occurs during
debugging in cooling mode.
db
Light
15
Light
U9
Light
Outdoor pipeline and valves are not
normal.
db
Light
15
Light
XXXX/U8
Light
System detects error in indoor pipeline.
XXXX is the project no. of the faulted
IDU. 3s later, error code U8 is
displayed. For example, IDU no. 100
has U8 error, then LED3 displays like
this: 01 (2s later) 00 (2s later) U8, and
repeat again.
B If heating mode is selected, relevant display is as below:
——
Debugging
code
Progress code
Status code
Meaning
progress
LED1
LED2
LED3
Code
Display
status
code
Display
status
Code
Display
status
16_Heating
debugging
db
Light
16
Light
AE
Light
Debugging is enabled in heating mode
(debugging mode, auto-selected by
system).
db
Light
16
Light
Error
code
Light
Error occurs during debugging in
heating mode.
db
Light
16
Light
J0
Light
Error of other modules occurs during
debugging in heating mode.
db
Light
16
Light
U9
Light
Outdoor pipeline and valves are not
normal.
db
Light
16
Light
XXXX/U8
Light
System detects error in indoor pipeline.
XXXX is the project no. of the faulted
IDU. 3s later, error code U8 is
displayed. For example, IDU no. 100
has U8 error, then LED3 displays like
this: 01 (2s later) 00 (2s later) U8, and
repeat again.
Step 18:
if there’s no error during operation for about 40min, system will automatically confirm
that debugging is finished and then stop. System resumes standby condition and displays as
below:
——
Debugging code
Progress code
Status code
Meaning
progress
LED1
LED2
LED3
Code
Display
status
code
Display
status
Code
Display
status